No.1: Stephan Schmidheiny

Fourth-generation member of a Swiss-German industrial fortune, his boyhood dream was to become a missionary. Retired in 2003 at age 47 to concentrate on philanthropy.

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No.2: Hansjörg Wyss

According to Forbes, Wyss is "among the most philanthropic people in the world"

His giving has increased since the sale of Synthes in 2012 and in 2013 he signed The Giving Pledge

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No.3: Roger Federer

In 2003, he established the Roger Federer Foundation to help disadvantaged children and to promote their access to education and sports.

Roger Federer is a great tennis player with a big heart.

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